In 2006, the doors of the Hearst Tower were swung open for business. The design of starchitect Norman Foster, the building was one of the most cutting-edge of its time, lauded for its diagrid form, its green construction, and the then-radical approach of marrying the old with the new... Now, a decade later, Foster has returned to the Hearst Tower to mark its anniversary and reflect on his creation.
— 6sqft

The Hearst Tower scaffold, in short, can fold around its center, allowing it to conform to the building’s angled windows. (A failure in this folding mechanism may be what trapped the men: NBC is reporting that the motor suffered a power failure.)
— newyorker.com